package thread;

public class Demo26 {
    public static void main(String[] args) throws InterruptedException {

        Object lock1 = new Object();
        Object lock2 = new Object();
        Object lock3 = new Object();

        Thread t1 = new Thread(()->{
            for (int i = 0; i < 10; i++) {
                synchronized (lock1) {
                    try {
                        lock1.wait();
                        System.out.print("A");
                        synchronized (lock2){
                            lock2.notify();
                        }
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }
            }
        });

        Thread t2 = new Thread(()->{
            for (int i = 0; i < 10; i++) {
                synchronized (lock2) {
                    try {
                        lock2.wait();
                        System.out.print("B");
                        synchronized (lock3){
                            lock3.notify();
                        }
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }
            }
        });

        Thread t3 = new Thread(()->{
            for (int i = 0; i < 10; i++) {
                synchronized (lock3) {
                    try {
                        lock3.wait();
                        System.out.println("C");
                        synchronized (lock1){
                            lock1.notify();
                        }
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }
            }
        });

        t1.start();
        t2.start();
        t3.start();

        Thread.sleep(1000);
        synchronized (lock1) {
            lock1.notify();
        }
        
    }
}
